Smooth grind thread on BMX 4130 chromoly axle pegs. Designed for use with 14mm or 3/8" axles (with adapter). 3 position set screw extends the life the of the peg. QUANTITY: 2 pegs (sold as pair) 4130 CHROMOLY: Lightweight and Ultra Durable EASY TO INSTALL: Thread onto your existing 14mm axle or 3/8" with adapter SPECS: Diameter 35mm. Works with 14mm axle or 3/8 with adapter TRUSTED BLACK OPS BRAND that stands for quality and durability